Arctic Cat Y-12 2008 Manual page 66

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2. Install the main jet by threading it into the jet
holder; then install the jet holder into the carbu-
retor. Tighten both components securely.
3. Install the pilot screw with spring and O-ring.
NOTE: A thin application of lightweight oil will
help to seat the O-ring properly.
NOTE: Turn the pilot screw clockwise until it is
lightly seated; then turn it counterclockwise the
recommended number of turns as an initial set-
ting.
4. Install the idle adjustment screw with the spring.
5. Install the float and needle valve assembly into
the carburetor; then install the float pin.
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NOTE: Check float arm height by inverting the
carburetor freeing the float arm; then measure
with a ruler the height when the float arm is in con-
tact with the needle valve. Float arm height should
be 10.2 mm (0.40 in.). To adjust, bend the actuator
arm tab.
6. Install the float chamber seal.
7. Place the float chamber into position making
sure the seal is properly seated; then secure with
the Phillips-head screws and washers.
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